一個產品的組成往往不單是由單一零件所構成，而是由多個零組件組成，以產生讓人類生活更便利及擁有更高品質的生活。然而一個產品的誕生，是由許多不同領域的人共同努力而來，如何讓產品融入消費者生活，而不是一個只能執行功能，卻與人類生活模式或既有的價值觀衝突，是在生產流程中必須列入考量的。
本研究經組裝過程的研究，主要由考量組裝操作評估和組裝操作時間的研究，藉由組件間的相對關係，分析多數的組件構想。並建立構想組件間彼此的評估，利用模糊綜合評判評估使用者操作的複雜程度，再呈現適合之組合件，依照隸屬值高低作程度上的排序，提供設計師作產品組件挑選之參考。藉著記錄消費者使用模式，提供未來產品設計之組裝與使用模式參考。
本研究希望藉此流程找出組裝件評估與使用者使用模式上的平衡，並且讓設計師能夠找尋到符合消費者使用模式的構想新組件。對於所發展的方法，本研究採用四個現有床頭音響作為案例說明，希望透過裝配評估法則的研究，來提高設計師對於組裝設計與使用者使用模式間平衡的決策效率，使產品設計符合同步工程的精神並強化產品設計的品質。

The composition of product is often not only constituted by a single part, but by the number of components to produce more convenient and higher quality for human life. However, it’s depending on many different background experts to work together, in order to create a product which not only perform a function but against the existing mode of human’s life. It should be more and more earlier to take usability of human’s life into a product design process.
In this study, it’s mainly use the assembly process to analysis the idea concepts, including of assembly operation cost and assembly operation time. In order to provide a reference of product components selected for designer, establishing the evaluation between components and judging by fuzzy comprehensive evaluation to present the appropriate assembly, and then to sort the ideas level by level with the membership value.
This study try to find the balance point between product assembly analysis and user’s usability by the procedure which will use in this paper, and assist the designer’s ideas can meet the consumer’s needs. For the develop methods of this study, this search used four existing audio as a case study and by the experiment to improve the decision-making efficiency between product assembly and user usability, to aim this purpose, the product design could be more and more conform the concurrent engineering and enhance the quality of product design.

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